Base | Representation |
---|---|
bin | 10000111110100… |
… | …11000001010111 |
3 | 100220222210101201 |
4 | 20133103001113 |
5 | 242430001403 |
6 | 22044333331 |
7 | 3346365535 |
oct | 1037230127 |
9 | 326883351 |
10 | 142422103 |
11 | 7343691a |
12 | 3b844247 |
13 | 23677945 |
14 | 14cb5155 |
15 | c78421d |
hex | 87d3057 |
142422103 has 4 divisors (see below), whose sum is σ = 147333240. Its totient is φ = 137510968.
The previous prime is 142422089. The next prime is 142422131. The reversal of 142422103 is 301224241.
142422103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 142422103 - 217 = 142291031 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142422403) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2455525 + ... + 2455582.
It is an arithmetic number, because the mean of its divisors is an integer number (36833310).
Almost surely, 2142422103 is an apocalyptic number.
142422103 is a deficient number, since it is larger than the sum of its proper divisors (4911137).
142422103 is an equidigital number, since it uses as much as digits as its factorization.
142422103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4911136.
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 142422103 is about 11934.0731940105. The cubic root of 142422103 is about 522.2267710601.
Adding to 142422103 its reverse (301224241), we get a palindrome (443646344).
The spelling of 142422103 in words is "one hundred forty-two million, four hundred twenty-two thousand, one hundred three".
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